<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>扩展</title>
    <style>
        div p{
        color : red;
        font-size:60px;
        }
        input[type='text']
        {
            border:3px solid
            }
            a:link{
                color:pink;
            }
            a:hover{
                color:green;
            }
            a:active{
                color:yellow
            }
            a:visited{
                color:red;
            }
    </style>
</head>
<body>
<div><p>我爱中国</p></div>
<p>我是潮州人</p>
<input type="text">
<br>
<a href="#">潮州棒棒的</a>
</body>
</html>